Demi Lovato joins X Factor USA judges on stage 07001
Demi Lovato joins X Factor USA judges on stage 07002
Demi Lovato joins X Factor USA judges on stage 07003
Demi Lovato joins X Factor USA judges on stage 07004
Demi Lovato joins X Factor USA judges on stage 07005
Demi Lovato joins X Factor USA judges on stage 07006
Demi Lovato joins X Factor USA judges on stage 07007
Demi Lovato joins X Factor USA judges on stage 07008
Demi Lovato joins X Factor USA judges on stage 07009
Demi Lovato joins X Factor USA judges on stage 07010
Demi Lovato joins X Factor USA judges on stage 07011
Demi Lovato joins X Factor USA judges on stage 07012